Metal Massacre Battle mode

Infinite ammunition

At the title screen, press Black, White, L, R, click Right Analog-stick(2), press Y, X, then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

Infinite turbo

At the title screen, press Up(2), Down(2), Left, Right, Left, Right, B, A, then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

Invincibility

At the title screen, click Left Analog-stick, click Right Analog-stick, press Down, Left, Down, Left, B, Y, then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

All Boats

At the title screen, press Up, Down, Left, Right, L, B, X, X, Right Analog Stick, Start. If the code was entered correctly, you will hear a sound. If the code did not work, reset the Xbox and try again.

Never over heat

When your primary weapon starts to over heat just push start and the resume the game. When you do that your primary weapon will be back to normal.

Get Kraken's Maw Battle Arena

Use the captain difficulty level and finish the Shakedown level.

Pufferfish

At the title screen press A, B, Black, White, Y, X, R3, R3, L3, L3, Start. You can now use the pufferfish boat in battle mode.

Blood Ball Mode

At the title screen press X, Y, White, Black, B, A, Left, Up, Right, Down, Start. You will now be able to play blood ball mode in 2 player battle mode.

All Battle Modes

At the title screen press Y, A, X, B, L3, R3, Black, White, R, R, Start. You will now be able to play all battle modes.